This guide covers the full installation process, terminal commands for bypassing errors, and security precautions. Prerequisites and System Compatibility
Press and hold Cmd + Option + Shift immediately while launching Illustrator. Confirm the prompt to delete the current preference files.
| Error Message | Cause | Mac-Specific Fix | |----------------|-------|------------------| | | Corrupted DMG or Gatekeeper | Run sudo spctl --master-disable , then run xattr -cr /Volumes/Illustrator/Setup.app | | “Error code 182” | Incompatible macOS version | Use macOS Catalina VM (see Part 3) | | “This app needs to be updated…” | macOS newer than Catalina | Apply the “CC 2020 patcher” or use Retroactive (retroactive.store) | | “Failed to launch: License expired” | Validation server block failure | Edit /etc/hosts with: 0.0.0.0 adobe-license-panel.adobe.io | | “Application not responding on Monterey+” | Rosetta 2 graphics bug | Launch with open -a Illustrator --args -disable-gpu via Terminal |
Find Illustrator in your installed apps list. Choose Older Version: install adobe illustrator cc 2020 on mac pre top
To stop Adobe from disabling your software during future internet usage, block the application from making outbound connections.
If you encounter any issues during the installation or activation process, here are some troubleshooting tips:
Depending on your licensing type, you will use either the Creative Cloud Desktop application or a standalone offline installer package. This guide covers the full installation process, terminal
remains a gold standard for graphic designers, illustrators, and UI/UX professionals. Even with newer versions available, many creatives prefer the 2020 release for its stability, familiar interface, and lower system demands compared to later builds.
Launch the Adobe Creative Cloud desktop app and sign in with your Adobe ID. Click on the "Apps" tab and search for "Adobe Illustrator" in the search bar. Click on the "Install" button next to Adobe Illustrator CC 2020 to begin the download process.
Tip: If you encounter an error saying "The installer cannot be opened because it is from an unidentified developer," right-click (or Control-click) the installer icon and select from the context menu. | Error Message | Cause | Mac-Specific Fix
Open the installer, follow the on-screen prompts, and sign in with your Adobe ID. Access Older Versions: Open the Creative Cloud app and go to the Apps tab.
Installing Adobe Illustrator CC 2020 (Version 24.0) on legacy macOS versions like High Sierra, Mojave, or Catalina often triggers "installer failed" or "damaged file" alerts due to expired security certificates.
How to Install Adobe Illustrator CC 2020 on Mac Pre-Activated